LOANS AND ALLOWANCE FOR LOAN LOSSES (Details 5) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Risk category of rated loans
Loans	$ 2,908,535,000		$ 2,908,535,000		$ 2,589,792,000
Maximum loan value for non rated loans	100,000		100,000		100,000
Maximum number of days past due for loans to be non rated			80 days		80 days
Loans modified by troubled debt restructurings during the period	5,882,000	7,331,000	15,469,000	12,404,000
Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	1,127,595,000		1,127,595,000		1,097,795,000
Owner Occupied Correspondent Residential Real Estate Loans [Member]
Risk category of rated loans
Loans	139,252,000		139,252,000
Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	98,365,000		98,365,000		110,809,000
Commercial real estate
Risk category of rated loans
Loans	771,765,000		771,765,000		773,173,000
Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	34,714,000		34,714,000		34,186,000
Construction & Land Development
Risk category of rated loans
Loans	44,462,000		44,462,000		44,351,000
Commercial & Industrial
Risk category of rated loans
Loans	149,943,000		149,943,000		127,763,000
Finance Leases Financing Receivable [Member]
Risk category of rated loans
Loans	819,000		819,000
Warehouse lines of credit
Risk category of rated loans
Loans	272,584,000		272,584,000		149,576,000
Home equity
Risk category of rated loans
Loans	241,189,000		241,189,000		226,782,000
Consumer Republic Processing Group Loans Financing Receivable [Member]
Risk category of rated loans
Loans	3,460,000		3,460,000		1,827,000
Consumer: Credit cards
Risk category of rated loans
Loans	9,230,000		9,230,000		9,030,000
Consumer: Overdrafts
Risk category of rated loans
Loans	966,000		966,000		944,000
Consumer Purchased Whole Loans [Member]
Risk category of rated loans
Loans	4,664,000		4,664,000
Consumer: Other consumer
Risk category of rated loans
Loans	9,527,000		9,527,000		13,556,000
Pass
Risk category of rated loans
Loans	1,224,951,000		1,224,951,000		1,057,609,000
Pass | Commercial real estate
Risk category of rated loans
Loans	729,403,000		729,403,000		709,610,000
Pass | Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	34,714,000		34,714,000		34,186,000
Pass | Construction & Land Development
Risk category of rated loans
Loans	41,248,000		41,248,000		40,591,000
Pass | Commercial & Industrial
Risk category of rated loans
Loans	146,183,000		146,183,000		123,646,000
Pass | Warehouse lines of credit
Risk category of rated loans
Loans	272,584,000		272,584,000		149,576,000
Special Mention
Risk category of rated loans
Loans	38,836,000		38,836,000		40,167,000
Loans modified by troubled debt restructurings during the period			1,000,000		1,000,000
Special Mention | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	27,485,000		27,485,000		27,431,000
Special Mention | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	1,173,000		1,173,000		919,000
Special Mention | Commercial real estate
Risk category of rated loans
Loans	9,549,000		9,549,000		11,125,000
Special Mention | Construction & Land Development
Risk category of rated loans
Loans	122,000		122,000		128,000
Special Mention | Commercial & Industrial
Risk category of rated loans
Loans	493,000		493,000		296,000
Special Mention | Home equity
Risk category of rated loans
Loans					250,000
Special Mention | Consumer: Other consumer
Risk category of rated loans
Loans	14,000		14,000		18,000
Substandard
Risk category of rated loans
Loans	37,511,000		37,511,000		44,083,000
Loans modified by troubled debt restructurings during the period			5,000,000		6,000,000
Substandard | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	12,845,000		12,845,000		10,994,000
Substandard | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	2,329,000		2,329,000		1,292,000
Substandard | Commercial real estate
Risk category of rated loans
Loans	15,794,000		15,794,000		25,296,000
Substandard | Construction & Land Development
Risk category of rated loans
Loans	2,462,000		2,462,000		2,386,000
Substandard | Commercial & Industrial
Risk category of rated loans
Loans	1,803,000		1,803,000		2,035,000
Substandard | Home equity
Risk category of rated loans
Loans	2,230,000		2,230,000		2,014,000
Substandard | Consumer: Other consumer
Risk category of rated loans
Loans	48,000		48,000		66,000
Purchased Credit Impaired Loans - Group 1
Risk category of rated loans
Loans	24,480,000		24,480,000		40,731,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	1,612,000		1,612,000		2,810,000
Purchased Credit Impaired Loans - Group 1 | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	3,988,000		3,988,000		7,936,000
Purchased Credit Impaired Loans - Group 1 | Commercial real estate
Risk category of rated loans
Loans	16,978,000		16,978,000		27,142,000
Purchased Credit Impaired Loans - Group 1 | Construction & Land Development
Risk category of rated loans
Loans	630,000		630,000		1,246,000
Purchased Credit Impaired Loans - Group 1 | Commercial & Industrial
Risk category of rated loans
Loans	1,253,000		1,253,000		1,564,000
Purchased Credit Impaired Loans - Group 1 | Consumer: Other consumer
Risk category of rated loans
Loans	19,000		19,000		33,000
Purchased Credit Impaired Loans - Substandard
Risk category of rated loans
Loans	252,000		252,000		222,000
Purchased Credit Impaired Loans - Substandard | Commercial real estate
Risk category of rated loans
Loans	41,000		41,000
Purchased Credit Impaired Loans - Substandard | Commercial & Industrial
Risk category of rated loans
Loans	211,000		211,000		222,000
Rated Loans
Risk category of rated loans
Loans	1,326,030,000		1,326,030,000		1,182,812,000
Rated Loans | Residential Real Estate - Owner Occupied
Risk category of rated loans
Loans	41,942,000		41,942,000		41,235,000
Rated Loans | Residential Real Estate - Non Owner Occupied
Risk category of rated loans
Loans	7,490,000		7,490,000		10,147,000
Rated Loans | Commercial real estate
Risk category of rated loans
Loans	771,765,000		771,765,000		773,173,000
Rated Loans | Commercial real estate - purchased whole loans
Risk category of rated loans
Loans	34,714,000		34,714,000		34,186,000
Rated Loans | Construction & Land Development
Risk category of rated loans
Loans	44,462,000		44,462,000		44,351,000
Rated Loans | Commercial & Industrial
Risk category of rated loans
Loans	149,943,000		149,943,000		127,763,000
Rated Loans | Finance Leases Financing Receivable [Member]
Risk category of rated loans
Loans	819,000		819,000
Rated Loans | Warehouse lines of credit
Risk category of rated loans
Loans	272,584,000		272,584,000		149,576,000
Rated Loans | Home equity
Risk category of rated loans
Loans	2,230,000		2,230,000		2,264,000
Rated Loans | Consumer: Other consumer
Risk category of rated loans
Loans	81,000		81,000		117,000
Rated Loans | Pass | Finance Leases Financing Receivable [Member]
Risk category of rated loans
Loans	$ 819,000		$ 819,000